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Title: Observation of 5f intermediate coupling in uranium x-ray emission spectroscopy

Abstract

The first observation of Intermediate Coupling effects in the occupied 5f states has been made using X-ray Emission Spectroscopy (XES). In the past, the impact of Intermediate Coupling of the 5f states in actinides has long been observed and quantified, using X-ray Absorption Spectroscopy (XAS) to probe the unoccupied 5f states, providing great insight into the enigma of 5f electronic structure, but no measure of its effects in the occupied states had been reported. Moreover, because the 5f occupied states in UF4 are almost completely of 5f5/2 character, the observed effect in XES is twice that in XAS for UF4.

Authors:
ORCiD logo [1];  [2];  [3];  [2];  [2];  [2];  [2];  [2]
  1. Univ. of Wisconsin, Oshkosh, WI (United States)
  2. SLAC National Accelerator Lab., Menlo Park, CA (United States)
  3. Lawrence Livermore National Lab. (LLNL), Livermore, CA (United States)
Publication Date:
Research Org.:
SLAC National Accelerator Lab., Menlo Park, CA (United States)
Sponsoring Org.:
USDOE Office of Science (SC), Basic Energy Sciences (BES) (SC-22); USDOE Office of Energy Efficiency and Renewable Energy (EERE), Solar Energy Technologies Office (EE-4S)
OSTI Identifier:
1582452
Grant/Contract Number:  
AC02-76SF00515; AC52-07NA27344; AC02-05CH11231
Resource Type:
Accepted Manuscript
Journal Name:
Journal of Physics Communications
Additional Journal Information:
Journal Name: Journal of Physics Communications; Journal ID: ISSN 2399-6528
Publisher:
IOP Publishing
Country of Publication:
United States
Language:
English
Subject:
71 CLASSICAL AND QUANTUM MECHANICS, GENERAL PHYSICS; 36 MATERIALS SCIENCE

Citation Formats

Tobin, James G., Nowak, S., Yu, Sung Woo, Alonso Mori, Roberto, Kroll, T., Nordlund, Dennis, Weng, Tsu-Chien, and Sokaras, Dimos. Observation of 5f intermediate coupling in uranium x-ray emission spectroscopy. United States: N. p., 2020. Web. doi:10.1088/2399-6528/ab6940.
Tobin, James G., Nowak, S., Yu, Sung Woo, Alonso Mori, Roberto, Kroll, T., Nordlund, Dennis, Weng, Tsu-Chien, & Sokaras, Dimos. Observation of 5f intermediate coupling in uranium x-ray emission spectroscopy. United States. doi:10.1088/2399-6528/ab6940.
Tobin, James G., Nowak, S., Yu, Sung Woo, Alonso Mori, Roberto, Kroll, T., Nordlund, Dennis, Weng, Tsu-Chien, and Sokaras, Dimos. Wed . "Observation of 5f intermediate coupling in uranium x-ray emission spectroscopy". United States. doi:10.1088/2399-6528/ab6940. https://www.osti.gov/servlets/purl/1582452.
@article{osti_1582452,
title = {Observation of 5f intermediate coupling in uranium x-ray emission spectroscopy},
author = {Tobin, James G. and Nowak, S. and Yu, Sung Woo and Alonso Mori, Roberto and Kroll, T. and Nordlund, Dennis and Weng, Tsu-Chien and Sokaras, Dimos},
abstractNote = {The first observation of Intermediate Coupling effects in the occupied 5f states has been made using X-ray Emission Spectroscopy (XES). In the past, the impact of Intermediate Coupling of the 5f states in actinides has long been observed and quantified, using X-ray Absorption Spectroscopy (XAS) to probe the unoccupied 5f states, providing great insight into the enigma of 5f electronic structure, but no measure of its effects in the occupied states had been reported. Moreover, because the 5f occupied states in UF4 are almost completely of 5f5/2 character, the observed effect in XES is twice that in XAS for UF4.},
doi = {10.1088/2399-6528/ab6940},
journal = {Journal of Physics Communications},
number = ,
volume = ,
place = {United States},
year = {2020},
month = {1}
}

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